ABSTRACT
Weights of materials
Cement
Sand
Lime, ground
Brickwork, 112.5mm
215mm
327.5mm
Stone, natural
reconstructed
Bricks, Fletton
engineering
concrete
Blocks, natural aggregate
75mm thick
100mm thick
140mm thick
1440kg/m3
1600kg/m3
750kg/m3
220kg/m2
465kg/m2
710kg/m2
2400kg/m3
2250kg/m3
1820kg/m2
2250kg/m2
1850kg/m2
160kg/m2
215 kg/m2
300kg/m2
Blocks, lightweight aggregate
75mm thick 60kg/m2
100mm thick 80kg/m2
140mm thick 112kg/m2 Stone
Artificial 2200kg/m3
Bath 2200kg/m3
Darley Dale 2400kg/m3
Portland 2200kg/m3
York 2400kg/m3
Bricks per m2 nr
Brick size 215 x 103.5 x 65mm
Half brick wall
stretcher bond 59
English bond 89
English garden wall bond 74
Flemish bond 79
One brick wall
English bond 118
Flemish 118
One and a half brick wall
English bond
Flemish bond
Two brick wall
English bond
Flemish bond
Brick size 200 x 100 x 75mm
75mm thick
90mm thick
190mm thick
Brick size 200 x 100 x 75mm
90mm thick
190mm thick
290mm thick
Brick size 300 x 100 x 75mm
90mm thick 44
Brick size 300 x 100 x 100mm
90mm thick 33
Brick size 215 x 1035 x 65mm Wirecut 1 frog 2 frogs m3 m3 m3
Brick size 200 x 100 x 75mm Solid Perforated m3 m3
Brick size 200 x 100 x 100mm
90mm thick
190mm thick
290mm thick
Brick size 300 x 100 x 75mm
90mm thick
Brick size 300 x 100 x 100mm
90mm thick
Mortar per ml in block walling
Block size 440 x 215mm
60mm thick
75mm thick
100mm
140mm
190mm
Solid m3
0.036
0.059
0.004
0.005
0.006
0.007
0.008
Perforated m3
0.067
215mm 0.009
Mortar per m2 in random rubble walling m3
450mm thick 0.160
550mm thick 0.200
Length of pointing per m2 (one Face only) m
English bond 19.1
English garden wall bond 18.1
Flemish bond 18.4
Flemish garden wall bond 17,7
Damp-proof courses kg/m2
Asbestos base 3.8
Hessian base and lead core 4.4
Asbestos base and lead core 4.9
Bitumen sheeting 5.4
Labour grades
Craftsman LA
2 Bricklayers and 1 unskilled operative LD
2 Masons and 1 unskilled labourer LH
Unit Labour Labour Bricks grade hours nr
Common bricks in cement mortar (1:3)
Half brick wall thick
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
One brick wall thick
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
One and a half brick wall
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
m2 m2 m2 m2 m2 m2
m2 m2 m2 m2 m2 m2
thick
m2 m2 m2 m2 m2 m2
LD LD LD LD LD LD
LD LD LD LD LD LD
LD LD LD LD LD LD
0.045 0.045 0.045 0.045 0.045 0.045
0.072 0.072 0.072 0.072 0.072 0.072
grade hours nr md
Two brick wall thick
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
Surface features
Brick on edge coping, pointing all round, width, 225mm m
Brick on end coping, pointing all round, width, 225mm m
Band course projecting 25mm from face of wall 112.5mm deep, pointing all round m
2.00 2.20 2.20 2.30 2.05 2.15
0.005
0.010
LD 0.08 13 0.005
Fair face and flush pointing
Fair face and weatherstruck pointing
m2 LD
tr.2 LD
0.15
0.18
Facing bricks in cement mortar (1:3)
Half brick wall thick
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
One brick wall thick
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
One and a half brick wall
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
m2 m2 m2 m2 m2 m2
m2 m2 m2 m2 m2 m2
thick
m2 m2 m2 m2 m2 m2
LD LD LD LD LD LD
LD LD LD LD LD LD
LD LD LD LD LD LD
0.017 0.017 0.017 0.017 0.017 0.017
0.045 0.045 0.045 0.045 0.045 0.045
0.072 0.072 0.072 0.072 0.072 0.072
Two brick wall thick
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
Surface features
Brick on edge coping, pointing all round, width, 225mm m
Brick on end coping, pointing all round, width, 225mm m
Band course projecting 25mm from face of wall 112.5mm deep, pointing all round m
Fair face and flush pointing
Fair face and weatherstruck pointing
Labour grade
LD
LD
LD
m2 LD
m2 LD
Labour hours
Bricks nr
Mortar Fn3
LD LD LD LD LD LD
1.80 2.00 2.00 2.10 1.85 1.95
238 238 238 238 238 238
0.101 0.101 0.101 0.101 0.101 0.101
0,005
0.010
0.005
Unit Labour Labour Bricks grade hours nr
Mortar m3
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
One brick wall thick
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
One and a half brick wall
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
m2 m2 m2 m2 m2 m2
m2 m2 m2 m2 m2 m2
thick
m2 m2 m2 m2 m2 m2
LD LD LD LD LD LD
LD LD LD LD LD LD
LD LD LD LD LD LD
0.017 0.017 0.017 0.017 0.017 0.017
0.045 0.045 0.045 0.045 0.045 0.045
0.072 0.072 0.072 0.072 0.072 0.072
Surface features
Unit Labour grade
m
LD
Labour Bricks hours nr
Mortar m3
m2 m2 m2 m2 m2 m2
LD LD LD LD LD LD
238 238 238 238 238 238
m2 LD
m2 LD
Lightweight blockwork strength 3.5N/mm2, size 440 x 215mm in cement mortar (1:3)
100mm thick
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
140mm thick
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
215mm thick
vertical straight walls vertical curved walls battered straight walls battered curved walls vertical backing battered backing
m2 m2 m2 m2 m2 m2
m2 m2 m2 m2 m2 m2
LD LD LD LD LD LD
LD LD LD LD LD LD
LD LD LD LD LD LD
9.9 9.9 9.9 9.9 9.9 9.9
9.9 9.9 9.9 9.9 9.9 9.9
9.9 9.9 9.9 9.9 9.9 9.9
Unit Labour Labour Blocks Mortar grade hours nr m3
Dense blockwork strength 7N/mm2, size 440 x 215mm in cement mortar (1:3)
100mm thick
vertical straight walls m2 LD 0.45 9.9 0.006 vertical curved walls tn2 LD 0.55 9.9 0.006 battered straight walls m2 LD 0.55 9.9 0.006 battered curvedwalls m2 LD 0.70 9.9 0.006 vertical backing m2 LD 0.50 9.9 0.006 battered backing m2 LD 0.50 9.9 0.006
140mm thick
vertical straight walls m2 LD 0.55 9.9 0.007 vertical curved walls m2 LD 0.65 9.9 0.007 battered straight walls m2 LD 0.65 9.9 0.007 battered curved walls m2 LD 0.80 9.9 0.007 vertical backing m2 LD 0.60 9.9 0.007 battered backing m2 LD 0.60 9.9 0.007
215mm thick
vertical straight walls m2 LD 0.65 9.9 0.007 vertical curved wails m2 LD 0.75 9.9 0.007 battered straight walls m2 LD 0.75 9.9 0,007 battered curved walls m2 LD 0.90 9.9 0.007 vertical backing m2 LD 0.70 9.9 0.007 battered backing m2 LD 0.70 9.9 0.007
Unit Labour Labour Stone grade hours tonne
Mortar m3
Ashlar masonry, natural Portland Whitbed, in cement mortar (1:3)
75mm thick
vertical straight walls vertical curved walls vertical backing
100mm thick
vertical straight walls vertical curved walls vertical backing
150mm thick
vertical straight walls vertical curved walls vertical backing
Cotswold stone random rubble waiting, laid dry
300mm thick
vertical straight walls vertical curved walls vertical backing
0.70 0.80 0,75
0.17 0.17 0.17
0.22 0.22 0.22
0.32 0.32 0.32
0.005 0.005 0.005
0.006 0.006 0.006
0.007 0.007 0.007
0.80 0,90 0.85
0.60 0.60 0.60
400mm thick
vertical straight walls vertical curved walls vertical backing
450mm thick
vertical straight walls vertical curved walls vertical backing
500mm thick
vertical straight walls vertical curved walls vertical backing
Cotswold stone random rubble watling, laid in cement lime mortar (1:2:9)
300mm thick
vertical straight walls vertical curved walls vertical backing
400mm thick
vertical straight walls vertical curved walls vertical backing
Unit
m2 m2 m2
m2 m2 m2
m2 m2 m2
Labour grade
LE LE LE
LE LE LE
LE LE LE
Labour hours
1.00 1.10 1.05
1.10 1.20 1.15
1.20 1.30 1.25
Stone tonne
0.80 0.80 0.80
0.90 0.90 0.90
1. 00 1.00 LOO
Mortar m3
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